FASTLY, INC.

Fastly, Inc.
GLEIF verified
LEI
549300E2FZC83FJ3H565
Registered name
FASTLY, INC.
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks2,428 · 1,066,578 IPv4 addresses
Registered in United States (644) · United Kingdom (37) · Australia (36) · India (32) · New Zealand (20) · Japan (20)
Cluster ID208785010
RegistryAPNIC
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300E2FZC83FJ3H565
Shared handles clustered on 33 shared RIR contact/maintainer handles
Registry names 16 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
606 -1,803 netblocks since 2026-07-05
2026-07-05 peak 2,409 2026-07-19

IP Ranges (2,428)

showing 50 of 2,428 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
1.7.246.103/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
1.7.246.203/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
1.7.247.10/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
1.7.247.153/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
5.57.81.59/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
5.57.81.60/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
23.235.32.0/20 Fastly, Inc. FASTLY ANNOUNCED ● high
27.106.192.84/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
27.106.192.85/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
27.111.228.34/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
27.111.228.38/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
27.111.228.95/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
27.111.231.64/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
36.255.56.96/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
36.255.56.101/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
37.49.232.144/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
37.49.238.76/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
37.49.238.77/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
43.243.21.63/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
43.243.21.65/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
43.243.22.55/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
43.243.22.56/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
43.249.72.0/22 Fastly, Inc. FASTLY ANNOUNCED ● high
45.68.8.133/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.8.134/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.16.39/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.16.49/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.16.200/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.16.201/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.24.120/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.26.172/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.31.122/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.31.123/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.45.202/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.45.203/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.64.8/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.64.9/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.74.112/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.74.113/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.81.40/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.81.44/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.68.81.246/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.94.12.56/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.94.12.57/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.120.248.24/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.120.248.25/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.120.249.30/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.120.249.31/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.120.251.131/32 Fastly, Inc. PEERINGDB ASSIGNED ● high
45.120.251.132/32 Fastly, Inc. PEERINGDB ASSIGNED ● high

Domains hosted in this network

what's this?
microsoft.com fastly.net apple.com windowsupdate.com akadns.net jsdelivr.net criteo.com mzstatic.com office.net taboola.com pinterest.com temu.com outbrain.com reddit.com newrelic.com pinimg.com jquery.com fastly-edge.com 33across.com adnxs.com

Customer-delegated space

how is this classified?
Unclassified 1,874 (77.2%)
Operator infrastructure (named) 554 (22.8%)

Network trust

what's this?
RPKI hygiene: A how networks compare →
96.8% of checked blocks have valid RPKI ROA coverage (1,936 of 2,000, sampled from 2,428)
Possible discrepancies (1)

These blocks are registered to Fastly, Inc. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

104.244.43.0/24 /24 authorized for AS13414 — Twitter Inc.

NIC Handles

ABUSE4771-ARIN AE150-AP AE163-AP AF580-AP AG545-AP AG545-AP APNIC-HM AS3257-IPAM-MNT AS54113 AS54113 DUMY-RIPE DUMY-RIPE +21 more